1 | #include <stdio.h> |
---|---|
2 | |
3 | #ifndef N |
4 | #define N 0 |
5 | #endif |
6 | #define CONCAT1(s, n) s##n |
7 | #define CONCAT(s, n) CONCAT1(s, n) |
8 | |
9 | __thread int CONCAT (v, N) = 4; |
10 | |
11 | int |
12 | CONCAT (tlsmod17a, N) (void) |
13 | { |
14 | int *p = &CONCAT (v, N); |
15 | /* GCC assumes &var is never NULL, add optimization barrier. */ |
16 | asm volatile ("": "+r"(p)); |
17 | if (p == NULL || *p != 4) |
18 | { |
19 | printf (format: "fail %d %p\n", N, p); |
20 | return 1; |
21 | } |
22 | return 0; |
23 | } |
24 |